Part Number Starts with Contains Ends with Please enter a minimum of 3 valid characters alphanumeric, period, or hyphen. Current-Mode PWM Controller The TLx and TLx series of control integrated circuits provide the features that are necessary to implement off-line or dc-to-dc fixed-frequency current-mode control schemes, with a minimum number of external components. Some of the internally implemented circuits are an undervoltage lockout UVLO , featuring a start-up current of less than 1 mA, and a precision reference trimmed for accuracy at the error Amplifier input. Other internal circuits include Logic to ensure latched operation, a pulse-width modulation PWM Comparator that also provides current-limit control , and a totem-pole output stage designed to source or sink high-peak current. Major differences between members of these series are the UVLO thresholds and maximum duty-cycle ranges. The corresponding typical thresholds for the TLx and TLx devices are 8.
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Datasheet Texas Instruments TL3845
TL3845P - TL3845 Current-Mode PWM Controller
Current-Mode PWM Controller